Which I find fairly strange all things considered - the crime index (https://www.numbeo.com/crime/rankings.jsp - admittedly this might not be the most accurate source) shows quite a gap between other similar cities like New York - a fairly common comparison. As a resident of a few years now, I definitely wouldn't say I felt London to have that kind of feel, if anything violent crime has the effect of being shocking because it is so uncommon.
I find it quite disheartening to see London's relatively soft-touch approach lose out over "automated" policing, there's quite a bit of grumbling lately over the reduction in actual people on the streets, mainly over police cuts.